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Examples of Tasks, Workflows and Launch plans written in Java.

There is a newer version: 0.4.60

/*
 * Copyright 2021 Flyte Authors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.flyte.examples;

import com.google.auto.service.AutoService;
import com.google.auto.value.AutoValue;
import org.flyte.flytekit.SdkBindingData;
import org.flyte.flytekit.SdkWorkflow;
import org.flyte.flytekit.SdkWorkflowBuilder;
import org.flyte.flytekit.jackson.Description;
import org.flyte.flytekit.jackson.JacksonSdkType;

@AutoService(SdkWorkflow.class)
public class SubWorkflow extends SdkWorkflow {

  public SubWorkflow() {
    super(JacksonSdkType.of(SubWorkflow.Input.class), JacksonSdkType.of(SubWorkflow.Output.class));
  }

  @Override
  public Output expand(SdkWorkflowBuilder builder, Input input) {
    SdkBindingData result =
        builder
            .apply("sum", new SumTask(), SumTask.SumInput.create(input.left(), input.right()))
            .getOutputs();
    return Output.create(result);
  }

  // Used in testing to mock this workflow
  @AutoValue
  public abstract static class Input {
    @Description("First operand")
    abstract SdkBindingData left();

    @Description("Second operand")
    abstract SdkBindingData right();

    public static Input create(SdkBindingData left, SdkBindingData right) {
      return new AutoValue_SubWorkflow_Input(left, right);
    }
  }

  @AutoValue
  public abstract static class Output {
    @Description("Summed results")
    abstract SdkBindingData result();

    public static Output create(SdkBindingData result) {
      return new AutoValue_SubWorkflow_Output(result);
    }
  }
}